2-(Fluoromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-Hydroxy-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-acetic acid
2-Hydroxy-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-acetic acid
5-Hydroxy-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-acetic acid